GB772014A - Improvements in or relating to automatic computing apparatus - Google Patents

Improvements in or relating to automatic computing apparatus

Info

Publication number
GB772014A
GB772014A GB16335/54A GB1633554A GB772014A GB 772014 A GB772014 A GB 772014A GB 16335/54 A GB16335/54 A GB 16335/54A GB 1633554 A GB1633554 A GB 1633554A GB 772014 A GB772014 A GB 772014A
Authority
GB
United Kingdom
Prior art keywords
photo
cell
disc
pulse
pulses
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB16335/54A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Well Surveying Corp filed Critical Schlumberger Well Surveying Corp
Publication of GB772014A publication Critical patent/GB772014A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06JHYBRID COMPUTING ARRANGEMENTS
    • G06J1/00Hybrid computing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Transform (AREA)
GB16335/54A 1953-06-02 1954-06-02 Improvements in or relating to automatic computing apparatus Expired GB772014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359195A US2859915A (en) 1953-06-02 1953-06-02 Function generator of two independent variables

Publications (1)

Publication Number Publication Date
GB772014A true GB772014A (en) 1957-04-10

Family

ID=23412734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16335/54A Expired GB772014A (en) 1953-06-02 1954-06-02 Improvements in or relating to automatic computing apparatus

Country Status (6)

Country Link
US (1) US2859915A (enrdf_load_stackoverflow)
BE (1) BE529295A (enrdf_load_stackoverflow)
CH (1) CH331574A (enrdf_load_stackoverflow)
DE (1) DE1025653B (enrdf_load_stackoverflow)
FR (1) FR1106752A (enrdf_load_stackoverflow)
GB (1) GB772014A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026476A (en) * 1958-06-30 1962-03-20 Gen Motors Corp Optical galvanometer multiplier using pulse width modulation
US2989642A (en) * 1959-03-03 1961-06-20 Bendix Corp Function generator for electronically indicating the angular position of a rotatable member
US3178566A (en) * 1962-02-12 1965-04-13 George F Harpell Function generator
US3566080A (en) * 1967-04-27 1971-02-23 Scope Inc Time domain prenormalizer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277285A (en) * 1932-04-22 1942-03-24 George V Woodling Measuring device
BE469619A (enrdf_load_stackoverflow) * 1941-05-23
US2415191A (en) * 1942-04-30 1947-02-04 Rca Corp Electronic computer
US2412467A (en) * 1942-04-30 1946-12-10 Rca Corp Electronic computer
US2428990A (en) * 1943-01-22 1947-10-14 Rca Corp Electronic computer
US2497042A (en) * 1943-10-19 1950-02-07 Electro Mechanical Res Inc Electrooptical function synthesizer
US2436178A (en) * 1943-10-21 1948-02-17 Rca Corp Electronic computer for transforming polar into rectilinear coordinates
US2476349A (en) * 1944-09-04 1949-07-19 Hartford Nat Bank & Trust Comp Phase or frequency modulation system
US2590110A (en) * 1951-04-03 1952-03-25 Us Army System for producing an encoding device

Also Published As

Publication number Publication date
CH331574A (fr) 1958-07-31
US2859915A (en) 1958-11-11
DE1025653B (de) 1958-03-06
FR1106752A (fr) 1955-12-22
BE529295A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2886717A (en) Measuring apparatus
US3187187A (en) Photoelectric shaft angle encoder
US2734188A (en) jacobs
US2431591A (en) Electronic computer
US3551808A (en) Phase comparator circuit
KR860003506A (ko) 터어빈 브레이드 진동 검출장치
US3713139A (en) Apparatus and method of determining displacements
US3020460A (en) Position control servosystem
GB772014A (en) Improvements in or relating to automatic computing apparatus
GB923232A (en) Parallax interval sensing device
US2777354A (en) Apparatus for recording and reproducing variables
US3001081A (en) Photoelectric gage
US2471788A (en) Electronic computer
US3139570A (en) Positional servo system
GB895626A (en) Improvements in and relating to measuring apparatus
US3735273A (en) Offset signal correction system
US4468666A (en) Apparatus for determining a reference position of a moving member
GB732878A (en) Improvement in automatic computer
GB1380045A (en) Position detection and control devices
US3491247A (en) Accurate once-around pulse generating system
GB1143542A (enrdf_load_stackoverflow)
US3226532A (en) Computer apparatus for scanning a chart record and determining a mathematical result therefrom
US3307038A (en) Gap pattern for chopper of radiation search system
GB1483394A (en) Electronic tachometers
US2877458A (en) System for dividing a surface of revolution